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0603 Chip Minimum Land Pattern

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SandroLanot View Drop Down
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    Posted: 15 Feb 2015 at 9:18pm

Guys and Gals,

Good day.

I am on the midst of my design, and i am planning to place 0603 resistor under the 1.0 mm pitch BGA
and because of the 1 pin/1 via in the area, I am having difficulty placing them.

Please help advice what is the minimum land pattern I can modify my standard 0603 so that I can fit them inside..

My current land pattern is rectangular 0.6 X 0.9 mm, with 1.4 pitch.


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Tom H View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2015 at 8:40am
The minimum (least environment) for a 0603 pattern is 0.70 X 0.85 with a 1.0 mm pitch.

You can only put this under a 1.0 mm pitch BGA if there are unused pins in the area and you fanout your vias away from the resistor.

However, you can fit a 0402 nominal resistor in-between vias. This picture is a 1.0 mm pitch BGA.

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